libghc-knob-dev 0.1.1-3 (i386 binary) in ubuntu saucy

 Create memory-backed Handles, referencing virtual files. This is mostly useful
 for testing Handle-based APIs without having to interact with the filesystem.
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.